104137520 has 20 divisors (see below), whose sum is σ = 242119920. Its totient is φ = 41654976.

The previous prime is 104137513. The next prime is 104137541. The reversal of 104137520 is 25731401.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650780 + ... + 650939.

It is an arithmetic number, because the mean of its divisors is an integer number (12105996).

Almost surely, 2^104137520 is an apocalyptic number.

104137520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104137520 is an abundant number, since it is smaller than the sum of its proper divisors (137982400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104137520 is a wasteful number, since it uses less digits than its factorization.

104137520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301732 (or 1301726 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 104137520 is about 10204.7792724782. The cubic root of 104137520 is about 470.4741254452.

Adding to 104137520 its reverse (25731401), we get a palindrome (129868921).

The spelling of 104137520 in words is "one hundred four million, one hundred thirty-seven thousand, five hundred twenty".